CN111343885B - Decorative member for cosmetic container and method for manufacturing same - Google Patents

Decorative member for cosmetic container and method for manufacturing same Download PDF

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Publication number
CN111343885B
CN111343885B CN201980005642.1A CN201980005642A CN111343885B CN 111343885 B CN111343885 B CN 111343885B CN 201980005642 A CN201980005642 A CN 201980005642A CN 111343885 B CN111343885 B CN 111343885B
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CN
China
Prior art keywords
light
layer
absorbing layer
decorative member
pattern
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201980005642.1A
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Chinese (zh)
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CN111343885A (en
Inventor
金容赞
金起焕
许南瑟雅
孙政佑
曹弼盛
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LG Chem Ltd
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LG Chem Ltd
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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D33/00—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances
    • A45D33/18—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances with special decorative arrangements or form
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
    • C08J7/0423—Coating with two or more layers, where at least one layer of a composition contains a polymer binder with at least one layer of inorganic material and at least one layer of a composition containing a polymer binder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • B44F1/14—Iridescent effects
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/023—Optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/02—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0207—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/0821—Oxynitrides of metals, boron or silicon
    • C01B21/0825—Aluminium oxynitrides
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/003—Light absorbing elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D2034/002—Accessories
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D2034/007—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes with special decorative arrangements or form
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D2040/0006—Accessories
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D2040/0012—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks with special decorative arrangements or form
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/05—Details of containers
    • A45D2200/053—Transparent containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1679—Making multilayered or multicoloured articles applying surface layers onto injection-moulded substrates inside the mould cavity, e.g. in-mould coating [IMC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2901/00—Use of unspecified macromolecular compounds as mould material
    • B29K2901/12—Thermoplastic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/002—Coloured
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/28—Multiple coating on one surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/416—Reflective
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/40—Closed containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2451/00—Decorative or ornamental articles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/0021—Reactive sputtering or evaporation
    • C23C14/0036—Reactive sputtering

Abstract

The present application relates to a decorative member for a cosmetic container, comprising: a color expression layer including a light reflection layer and a light absorption layer disposed on the light reflection layer; and a substrate for a cosmetic container and disposed on one surface of the color expression layer.

Description

Decorative member for cosmetic container and method for manufacturing same
Technical Field
The present application claims priority and equity to korean patent application No.10-2018-0041562, filed on 10 th 4 th 2018, which is incorporated herein by reference in its entirety.
The present application relates to a decorative member for a cosmetic container and a method for manufacturing the same.
Background
In cosmetic containers, various mobile devices, and home appliances, in addition to the function of a product, design of the product such as color, shape, and pattern plays an important role in providing a product value to customers. Product preferences and prices also depend on the design.
As one example, in the case of a compact cosmetic container, various colors and color sensations can be achieved and applied to a product by various methods. Methods of achieving various colors and color sensations include a method of imparting colors to the casing material itself and a method of attaching a decorative film achieved with colors and shapes to the casing material to provide a design.
In the conventional decorative film, the color is expressed by printing, deposition, or the like. In the case where different colors are expressed on a single surface, printing needs to be performed two or more times, and in order to print various colors on a three-dimensional pattern, it is difficult to realize various colors in reality. In addition, in the existing decorative film, the color is fixed according to the viewing angle, and even if the color is slightly changed, the degree of difference in the sense of color is limited.
Disclosure of Invention
Technical problem
The present application provides a decorative member of a cosmetic container capable of easily realizing various colors, realizing various colors in a three-dimensional pattern as needed, and providing a change in color according to a viewing angle.
Technical proposal
Exemplary embodiments of the present application provide a decoration member of a cosmetic container, the decoration member including: a color expression layer including a light reflection layer and a light absorption layer disposed on the light reflection layer; and a substrate of the cosmetic container, the substrate being disposed on one surface of the color expression layer.
According to another exemplary embodiment of the present application, the color expression layer may further include a color film disposed on a surface of the light reflection layer opposite to a surface facing the light absorption layer, between the light reflection layer and the light absorption layer, or on a surface of the light absorption layer opposite to the surface facing the light reflection layer.
According to another exemplary embodiment of the present application, when the color film is present, the color film makes the chromaticity Δe×ab, i.e., the distance in the space of l×a×b in the color coordinates CIE l×a×b of the color expression layer, greater than 1 compared to the case where the color film is not provided.
According to another exemplary embodiment of the present application, the substrate is provided on a surface of the light reflection layer opposite to a surface facing the light absorption layer, or on a surface of the light absorption layer opposite to a surface facing the light reflection layer. The substrate may be disposed on a surface of the light reflection layer opposite to a surface facing the light absorption layer, and the color film may be disposed between the substrate and the light reflection layer, or on a surface of the substrate opposite to the surface facing the light absorption layer. The substrate may be disposed on a surface of the light absorbing layer opposite to a surface facing the light reflecting layer, and the color film may be disposed between the substrate and the light absorbing layer, or on a surface of the substrate opposite to the surface facing the light absorbing layer.
According to another exemplary embodiment of the present application, the light absorbing layer comprises more than two points of different thickness.
According to another exemplary embodiment of the present application, the light absorbing layer includes two or more regions having different thicknesses.
According to another exemplary embodiment of the present application, the light absorbing layer includes one or more regions, an upper surface of each of the one or more regions has an inclined surface inclined at an angle of more than 0 ° and equal to or less than 90 °, and the light absorbing layer includes one or more regions having a thickness different from that of any one of the regions having the inclined surface.
According to another exemplary embodiment of the present application, the light absorbing layer comprises more than one region, each of which has a thickness that gradually varies.
According to another exemplary embodiment of the present application, the light absorbing layer includes one or more regions, an upper surface of each of the one or more regions has an inclined surface having an inclination angle of more than 0 ° and 90 ° or less, and the region having at least one inclined surface has a structure in which a thickness of the light absorbing layer gradually varies.
According to another exemplary embodiment of the present application, the light absorbing layer has a value of an extinction coefficient (k) at 400nm of greater than 0 and less than or equal to 4, preferably a value of an extinction coefficient (k) of 0.01 to 4.
Advantageous effects
According to the exemplary embodiments described in the present specification, when external light is incident and reflected through the color expression layer, the light is absorbed in the incident path and the reflection path during reflection, and the external light is reflected from the light absorption layer surface and the light reflection layer surface, thus generating constructive interference and destructive interference phenomena between the reflected light from the light absorption layer surface and the reflected light from the light reflection layer surface. Therefore, a specific color can be expressed by light absorption in the incident path and the reflected path and the phenomena of constructive and destructive interference. Thus, a specific color can be realized according to the reflection spectrum based on the material of the light reflection layer and the composition of the light absorption layer. In addition, the color expressed depends on the thickness, and thus, even if the color expression layers have the same material structure, the color may be changed according to the thickness of the color expression layers.
In addition, when a color film is additionally included, even if the materials and thicknesses of the light reflection layer and the light absorption layer are determined, the range of colors to be achieved can be increased to a greater extent. The width of the change in color resulting from the addition of the color filter can be defined by the different chromaticities (Δe×ab) before and after the application of the color filter. In addition, the light absorbing layer has two or more points or areas having different thicknesses on the same surface, so that a plurality of colors can be expressed, and the color expression layer is formed in the three-dimensional pattern, so that various colors can be realized in the three-dimensional pattern.
Further, when the upper surface of the light absorbing layer has at least one inclined surface, the expressed color may be changed according to the viewing angle, and the light absorbing layer may be manufactured to have two or more regions having different thicknesses with a simple process.
Further, the decorative member of the cosmetic container according to the exemplary embodiment of the present application may include a color expression layer on a plastic molding or a glass substrate for the cosmetic container, so that various color variations may be provided and a cosmetic container having excellent aesthetic value may be manufactured at low cost.
Drawings
Fig. 1 is a view showing an example of a laminated structure of a decorative member of a cosmetic container according to an exemplary embodiment of the present application.
Fig. 2 is a schematic diagram for describing the principle of action of color expression in the structure of the light reflecting layer and the light absorbing layer.
Fig. 3 to 6 are diagrams illustrating examples of laminated structures of decorative members of cosmetic containers according to exemplary embodiments of the present application.
Fig. 7 to 10 are diagrams showing examples of the structure of the upper surface of the light absorbing layer of the decorative member of the cosmetic container according to the exemplary embodiment of the present application.
Fig. 11 to 14 are diagrams showing examples of laminated structures of decorative members of cosmetic containers according to exemplary embodiments of the present application.
Fig. 15 to 17 are diagrams showing the case where colors are differently expressed according to the thickness of the light absorbing layer.
Fig. 18 and 19 are diagrams illustrating a decorative member of a cosmetic container according to an exemplary embodiment of the present application.
< description of reference numerals and symbols >
100: color expression layer
101: transparent substrate
201: light reflecting layer
301: light absorbing layer
401. 401a, 401b, 401c, 401d: color film
1101: base plate of cosmetic container
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Hereinafter, the present application will be described in detail.
In this specification, a "dot" refers to a position having no area. In this specification, the expression "dot" is used to denote two or more dots having thicknesses of the light absorbing layers different from each other.
In the present specification, "region" means a portion having a predetermined area. For example, when the decorative member is placed on the ground such that the light reflection layer is located at the lower portion and the light absorption layer is located at the upper portion, and both end portions of the inclined surface or both end portions having the same thickness are vertically divided with respect to the ground, the region having the inclined surface refers to an area divided into both end portions of the inclined surface, and the region having the same thickness refers to an area divided into both end portions having the same thickness.
In the present specification, the "surface" or "region" may also be a plane, but is not limited thereto, and the whole or a part of the "surface" or "region" may be a curved surface. For example, the form of the vertical cross-section may include a portion of an arc of a circle or ellipse, a wave structure, a zigzag structure, or the like.
In this specification, the "inclined surface" means a surface having an angle of more than 0 ° and 90 ° or less with respect to the upper surface based on the ground when the decorative member is placed on the ground such that the light reflection layer is located at the lower portion and the light absorption layer is located at the upper portion.
In this specification, the "thickness" of a specific layer refers to the shortest distance from the lower surface to the upper surface of the corresponding layer.
In this specification, unless defined otherwise, the term "or" means that the listed materials are optionally or entirely included, i.e., means "and/or".
In the present specification, "layer" means covering 70% or more of the area where the corresponding layer exists. Preferably, "layer" means covering more than 75% of the area where the corresponding layer is present, and more preferably covering more than 80%.
The decoration member according to an exemplary embodiment of the present application includes: a color expression layer including a light reflection layer and a light absorption layer disposed on the light reflection layer; and a cosmetic container substrate disposed on one surface of the color expression layer.
In this specification, resistance or sheet resistance (sheet resistance) can be measured according to a four-point probe method by using a well-known sheet resistor. The sheet resistance is measured by measuring the resistance value (V/I) by measuring the current (I) and the voltage (V) using four probes, calculating the sheet resistance (V/i×w/L) by using the area (cross-sectional area, W) of the sample and the distance (L) between the electrodes for measuring the resistance, and calculating the sheet resistance in ohm/square, that is, the unit of sheet resistance by multiplying the calculated sheet resistance by the resistivity correction factor. The resistivity correction factor may be calculated by using the size of the sample, the thickness of the sample, and the temperature at the time of measurement, and may be calculated by Poisson's equation (Poisson equation). The sheet resistance of the entire laminate may be measured and calculated in the laminate itself, and the sheet resistance of each layer may be measured before forming a layer formed of the remaining material other than the target layer desired to be measured in the entire laminate, after removing a layer formed of the remaining material other than the target layer desired to be measured in the entire laminate, or by analyzing the material of the target layer and forming the layer under the same conditions as those of the target layer.
In exemplary embodiments of the present specification, the cosmetic container substrate may include a plastic molding material or a glass substrate for a cosmetic container. More specifically, the plastic molding may include one or more of polypropylene (PP), polystyrene (PS), polyvinyl acetate (PVAC), polyacrylate, polyethylene terephthalate (PET), polyvinyl chloride (PVC), polymethyl methacrylate (PMMA), ethylene-vinyl acetate copolymer (EVA), polycarbonate (PC), polyamide, styrene-acrylonitrile copolymer (SAN), but is not limited thereto.
Further, the plastic molded article may be a straight-shaped plastic molded article having no curvature (specific pattern) or may be a plastic molded article having a curvature (specific pattern).
The plastic molded part may be manufactured by a plastic molding method. The plastic molding method includes compression molding, injection molding, blow molding, thermoforming, hot melt molding, foam molding, roll molding, reinforced plastic molding, and the like. Compression molding is a molding method in which a material is put into a mold frame, the material is heated, and then pressure is applied to the material, and is the oldest molding method, and may be mainly used for molding thermosetting resins such as phenol resins. Injection molding is a molding method in which a plastic melt solution with a carrier is pressed in and filled into a mold frame through a nozzle, and is capable of molding thermoplastic resins and thermosetting resins, and is the most widely used molding method. The resin currently used in cosmetic cases is SAN. Blow molding is a method of molding a product by putting a plastic parison into the center of a mold frame and injecting air, and is a molding method of manufacturing a plastic bottle or a small container, and has a very fast product manufacturing speed.
In the exemplary embodiments of the present specification, glass having a transmittance of 80% or more may be used as the glass substrate.
The thickness of the substrate of the cosmetic container may be selected as desired, and may have a range of 50 μm to 200 μm, for example.
In an exemplary embodiment of the present application, a decorative member of a cosmetic container may be manufactured through an operation of forming a color expression layer including a light reflection layer on a substrate of the cosmetic container and a light absorption layer disposed on the light reflection layer. More specifically, the decorative member of the cosmetic container may be formed by sequentially forming the light absorbing layer and the light reflecting layer on the substrate of the cosmetic container using a deposition process or the like, and sequentially forming the light reflecting layer and the light absorbing layer on the substrate of the cosmetic container using a deposition process or the like, but the present application is not limited thereto.
Fig. 1 is a diagram showing an example of a laminated structure of a decorative member according to an exemplary embodiment of the present application. Fig. 1 shows a decorative member including a color expression layer 100 and a substrate 1101 of a cosmetic container. The color expression layer 100 includes a transparent substrate 101, a light reflection layer 201, and a light absorption layer 301. Fig. 1 shows a structure in which the transparent substrate 101 is provided on the light reflection layer 201 side of the color expression layer 100, but the transparent substrate 101 may be omitted or the transparent substrate 101 may be provided at a surface of the light absorption layer 301 opposite to a surface contacting the light reflection layer 201.
According to an exemplary embodiment, in the light absorbing layer, light is absorbed in an incident path and a reflection path of light, and further, light is reflected from a surface of the light absorbing layer and an interface between the light absorbing layer and the light reflecting layer, so that two reflected light beams constructively or destructively interfere. In this specification, light reflected from the surface of the light absorbing layer may be expressed as surface reflected light, and reflected light of the interface of the light absorbing layer and the light reflecting layer may be expressed as interface reflected light. Fig. 2 is a schematic diagram of the principle of action of reflected light. Fig. 2 shows an example of a structure in which the transparent substrate 101 is provided on the light reflection layer 201 side, but the present application is not limited thereto, and the transparent substrate 101 may be provided at another position as described above.
According to another exemplary embodiment of the present application, when the light absorbing layer includes a pattern, the pattern may have a symmetrical structure, an asymmetrical structure, or a combination thereof.
According to one example, the light absorbing layer may comprise a pattern of symmetrical structures. The symmetrical structure includes a prism structure, a lenticular lens structure, and the like.
According to another exemplary embodiment of the present application, the light absorbing layer may have a pattern of an asymmetric structure.
In this specification, the asymmetric structure means that at least one of the upper surface, the side surface, and the truncated surface has an asymmetric structure when the upper surface, the side surface, and the cross section are observed. When the light absorbing layer has an asymmetric structure, the decorative member may exhibit dichroism. Dichroism refers to the observation of different colors depending on the viewing angle.
Dichroism can be defined by chromaticity-dependentIt means that when chromaticity according to viewing angle is Δe×ab > 1, the decorative member may be defined as having dichroism.
According to one example, the light absorbing layer includes a pattern, an upper surface of which has protrusions or recesses in a tapered shape. The taper shape includes a form of a cone, an elliptic cone or a polygonal pyramid. Here, the form of the base of the polygonal pyramid has a triangle, a quadrangle, a star shape including five or more protruding points, or the like. The taper form may also be in the form of a protrusion formed on the upper surface of the light absorbing layer, or may also be in the form of a recess formed on the upper surface of the light absorbing layer. The cross section of the protruding portion has a triangular shape, and the cross section of the recessed portion has an inverted triangular shape. The lower surface of the light absorbing layer may also have the same shape as the upper surface of the light absorbing layer.
According to an embodiment, the pattern in the form of a cone may have an asymmetric structure. For example, when a tapered pattern is observed from the upper surface and has three or more kinds of identical forms in the process that the light absorbing layer is rotated 360 ° based on the apex of the taper, it is difficult to express dichroism from the pattern. However, dichroism may be exhibited when a cone-shaped pattern is observed from the upper surface and has two or less identical forms in the course of rotating the pattern 360 ° based on the apex of the cone. Fig. 7 shows an upper surface of a taper form, and fig. 7 (a) shows a taper form having a symmetrical structure, and fig. 7 (b) shows a taper form having an asymmetrical structure.
The cone shape having a symmetrical structure has the following structure: the bottom surface of the cone form is a regular polygon having a circular shape or sides with the same length, and the apex of the cone exists on a vertical line of the center of gravity of the bottom surface. However, the taper having an asymmetric structure has the following structure: the position of the apex of the cone exists on a perpendicular line to a point other than the center of gravity of the bottom surface when viewed from the upper side, or the bottom surface has an asymmetric structure of a polygon or an ellipse when viewed from the upper side. In the case where the bottom surface is a polygon having an asymmetric structure, at least one of sides or angles of the polygon may be designed differently from the rest.
For example, as shown in fig. 8, the position of the apex of the cone may be changed. Specifically, as shown in the first diagram of fig. 8, when the vertexes of the cones are designed to be located on the vertical line of the center of gravity O1 of the bottom surface when the pattern is viewed from the upper surface, four identical structures (4-fold symmetry) can be obtained when the pattern is rotated 360 ° based on the vertexes of the cones. However, the apex of the cone is designed to be located at the position O2 instead of the center of gravity O1 of the bottom surface, so that a symmetrical structure cannot be obtained. When it is assumed that the length of one side of the bottom surface is x, the moving distances of the vertexes of the cone are a and b, the height of the cone shape, i.e., the length of a line perpendicularly connected from the vertex O1 or O2 of the cone to the bottom surface is h, and the angle formed between the bottom surface and the side surface of the cone is θn, cosine values of the surface 1, the surface 2, the surface 3, and the surface 4 of fig. 8 can be obtained as follows.
In this case, θ1 is the same as θ2, and thus there is no dichroism. However, θ3 is different from θ4, and θ3- θ4 represents chromaticity (e×ab) between two colors, and thus dichroism can be exhibited. Where |θ3- θ4| >0. As described above, with the angle formed between the bottom surface and the side surface of the cone, the degree to which the symmetrical structure is broken, i.e., the degree of asymmetry, can be quantitatively expressed, and the value representing the degree of asymmetry is proportional to the chromaticity of dichroism.
According to another example, the light absorbing layer includes a pattern in which the highest point has linear protrusions or the lowest point has linear recesses. The linear shape may also include a straight shape, a curved shape, or both a curved and straight shape. In the process of viewing a pattern having linear protrusions or recesses from the upper surface, it is difficult to exhibit dichroism when two or more kinds of identical shapes exist when the pattern is rotated 360 ° based on the center of gravity of the upper surface. However, in the process of viewing a pattern having linear protrusions or recesses from the upper surface, dichroism may be exhibited when only one identical shape exists when the pattern is rotated 360 ° based on the center of gravity of the upper surface. Fig. 9 shows an upper surface of a pattern having linear protrusions, fig. 9 (a) shows an example of a pattern having linear protrusions that does not exhibit dichroism, and fig. 9 (b) shows an example of a pattern having linear protrusions that exhibits dichroism. The cross section taken along the line X-X 'of fig. 9 (a) is an isosceles triangle or an equilateral triangle, and the cross section taken along the line Y-Y' of fig. 9 (b) is a triangle having side lengths different from each other.
According to another example, the light absorbing layer includes a pattern having protrusions or recesses having a structure in which a tapered upper surface is cut. The cross-section of the pattern may have the form of a trapezoid or an inverted trapezoid. Even in this case, the upper surface, side surface or cross section is designed to have an asymmetric structure, thereby exhibiting dichroism.
In addition to the structural example, various patterns having protrusions or recesses may be implemented as shown in fig. 10.
According to another exemplary embodiment of the present application, the light absorbing layer may include two or more regions having different thicknesses.
Examples of structures according to exemplary embodiments are shown in fig. 3 and 4. Fig. 3 and 4 show an example of a structure in which the light reflection layer 201 and the light absorption layer 301 are laminated. According to fig. 3 and 4, the light absorbing layer 301 has two or more points different from each other in thickness. According to fig. 3, the thickness of the light absorbing layer 301 at point a and point B is different. According to fig. 4, the thicknesses of the light absorbing layers 301 at the region C and the region D are different.
According to another exemplary embodiment of the present application, the light absorbing layer includes one or more regions, an upper surface of each of the one or more regions has an inclined surface inclined at an angle of more than 0 ° and equal to or less than 90 °, and the light absorbing layer includes one or more regions having a thickness different from that of any one of the regions having the inclined surface.
The surface characteristics of the light reflecting layer, such as the inclination of the upper surface, may be the same as the surface characteristics of the upper surface of the light absorbing layer. For example, the upper surface of the light absorbing layer may have the same inclination as that of the upper surface of the light reflecting layer by using a deposition method in the formation of the light absorbing layer.
Fig. 5 shows an example of a structure of a decorative member including a light absorbing layer whose upper surface is an inclined surface. The decoration member includes a structure in which the transparent substrate 101, the light reflection layer 201, and the light absorption layer 301 are laminated, and the thickness t1 in the region E of the light absorption layer 301 is different from the thickness t2 in the region F.
Fig. 5 relates to a light absorbing layer with oppositely inclined faces, i.e. a structure with a triangular shape in cross section. As shown in fig. 5, in the structure having the pattern of the opposite inclined surfaces, the thickness of the light absorbing layer may be different in both surfaces of the triangular structure even if deposition is performed under the same condition. Therefore, the light absorbing layer having two or more regions different in thickness can be formed by only one process. Therefore, the color exhibited varies depending on the thickness of the light absorbing layer. In this case, when the thickness of the light reflection layer is equal to or greater than a predetermined thickness, the light reflection layer does not affect the change in color.
Fig. 5 shows an example of a structure in which the transparent substrate 101 is provided on the light reflection layer 201 side, but the present application is not limited thereto, and the transparent substrate 101 may be provided at a position different from the above position. In addition, the surface of the transparent substrate 101 of fig. 5 in contact with the light reflection layer 201 is a flat surface, but the surface of the transparent substrate 101 of fig. 5 in contact with the light reflection layer 201 may have a pattern having the same inclination as that of the upper surface of the light reflection layer 201. In this case, the thickness of the light absorbing layer may also be different due to the difference in inclination of the pattern of the transparent substrate. However, the present application is not limited thereto, and even if the substrate and the light absorbing layer are formed to have different inclinations by using different deposition methods, the thickness of the light absorbing layer is different at both sides of the pattern, so that dichroism may be exhibited.
According to another exemplary embodiment of the present application, the light absorbing layer comprises more than one region, each of which has a thickness that gradually changes. Fig. 3 shows a structure in which the thickness of the light absorbing layer is gradually changed.
According to another exemplary embodiment of the present application, the light absorbing layer includes one or more regions, an upper surface of each of the one or more regions has an inclined surface having an inclination angle of more than 0 ° and 90 ° or less, and the region having at least one inclined surface has a structure in which a thickness of the light absorbing layer gradually changes. Fig. 6 shows an example of a structure of a light absorbing layer including a region whose upper surface is an inclined surface. In fig. 6, in both the region G and the region H, the upper surface of the light absorbing layer has an inclined surface, and the thickness of the light absorbing layer gradually changes.
According to one example, the light absorbing layer includes a first region having a first inclined surface with an inclination angle in a range of 1 ° to 90 °, and the light absorbing layer may further include a second region having an upper surface with an inclination direction different from that of the first inclined surface and an inclined surface with an inclination angle different from that of the first inclined surface, or an upper surface of the second region is horizontal. In this case, the thicknesses of the light absorbing layers in the first region and the second region may be different.
According to another example, the light absorbing layer includes a first region having a first inclined surface with an inclination angle in a range of 1 ° to 90 °, and the light absorbing layer may further include two or more regions, an upper surface of each of the two or more regions having an inclination direction different from that of the first inclined surface, having an inclined surface with an inclination angle different from that of the first inclined surface, or being horizontal. In this case, the thickness of the light absorbing layer may be different in the first region and two or more regions.
According to another exemplary embodiment of the present application, the color expression layer includes a color film disposed on a surface of the light reflection layer opposite to a surface facing the light absorption layer, between the light reflection layer and the light absorption layer, or on a surface of the light absorption layer opposite to a surface facing the light reflection layer.
When the color film is present, as compared with the case where the color film is not provided, the color film is not particularly limited as long as the color film makes the chromaticity Δe×ab, that is, the distance in the space of l×a×b in the color coordinates CIE l×a×b of the color expression layer, greater than 1.
Color may be represented by CIE L x a x b x and chromaticity may be defined by using a distance (Δe x ab) in space of L x a x b x. In particular, the method comprises the steps of,and in the range of 0 < Δe×ab < 1, the viewer cannot recognize the chromatic aberration (reference: machine Graphics and Vision (machine graphic and vision) 20 (4): 383-411). Therefore, in the present specification, chromaticity generated according to addition of the color film can be defined as Δe×ab>1。
Fig. 11 shows a color expression layer including a color film, fig. 11 (a) shows an example of a structure in which the light reflection layer 201, the light absorption layer 301, and the color film 401 are sequentially laminated, fig. 11 (b) shows an example of a structure in which the light reflection layer 201, the color film 401, and the light absorption layer 301 are sequentially laminated, and fig. 11 (c) shows an example of a structure in which the color film 401, the light reflection layer 201, and the light absorption layer 301 are sequentially laminated.
A color film may also be used as the substrate. For example, when a pigment or dye is added to a material that can be used as a substrate, the material can be used as a color film.
The substrate may be disposed on a surface of the light reflection layer opposite to a surface facing the light absorption layer (fig. 12 (a)), or on a surface of the light absorption layer opposite to a surface facing the light reflection layer (fig. 12 (b)).
For example, when the transparent substrate is disposed on a surface of the light reflection layer opposite to a surface facing the light absorption layer and the color film is located on a surface of the light reflection layer opposite to a surface facing the light absorption layer, the color film may be disposed between the transparent substrate and the light reflection layer or on a surface of the transparent substrate opposite to a surface facing the light reflection layer. As another example, when the transparent substrate is disposed on a surface of the light absorbing layer opposite to a surface facing the light reflecting layer and the color film is located on a surface of the light absorbing layer opposite to a surface facing the light reflecting layer, the color film may be disposed between the transparent substrate and the light absorbing layer or on a surface of the transparent substrate opposite to a surface facing the light absorbing layer.
According to another exemplary embodiment of the present application, the transparent substrate is disposed on a surface of the light reflection layer opposite to a surface facing the light absorption layer, and a color film is additionally disposed. Fig. 13 (a) shows a structure in which a color film 401 is provided on the surface of the light absorbing layer 301 opposite to the light reflecting layer 201, fig. 13 (b) shows a structure in which a color film 401 is provided between the light absorbing layer 301 and the light reflecting layer 201, fig. 13 (c) shows a structure in which a color film 401 is provided between the light reflecting layer 201 and the transparent substrate 101, and fig. 13 (d) shows a structure in which a color film 401 is provided on the surface of the transparent substrate 101 opposite to the light reflecting layer 201. Fig. 13 (e) shows an example of a structure in which color films 401a, 401b, 401c, and 401d are provided on the surface of the light absorbing layer 301 opposite to the light reflecting layer 201, between the light absorbing layer 301 and the light reflecting layer 201, between the light reflecting layer 201 and the transparent substrate 101, on the surface of the transparent substrate 101 opposite to the light reflecting layer 201, respectively, but the present application is not limited thereto, and one to three of the color films 401a, 401b, 401c, and 401d may be omitted.
According to another exemplary embodiment of the present application, the substrate is disposed on a surface of the light absorbing layer opposite to a surface facing the light reflecting layer, and a color film is additionally disposed. Fig. 14 (a) shows a structure in which a color film 401 is provided on the surface of the transparent substrate 101 opposite to the light absorbing layer 301, fig. 14 (b) shows a structure in which a color film 401 is provided between the transparent substrate 101 and the light absorbing layer 301, fig. 14 (c) shows a structure in which a color film 401 is provided between the light absorbing layer 301 and the light reflecting layer 201, and fig. 14 (d) shows a structure in which a color film 401 is provided on the surface of the light reflecting layer 201 opposite to the light absorbing layer 301. Fig. 14 (e) shows an example of a structure in which color films 401a, 401b, 401c, and 401d are provided on the surface of the substrate 101 opposite to the light absorbing layer 301, between the transparent substrate 101 and the light absorbing layer 301, between the light absorbing layer 301 and the light reflecting layer 201, on the surface of the light reflecting layer 201 opposite to the light absorbing layer 301, respectively, but the present application is not limited thereto, and one to three of the color films 401a, 401b, 401c, and 401d may be omitted.
In the structures of fig. 13 (b) and 14 (c), when the transmittance of visible light of the color film exceeds 0%, the light reflection layer may reflect light passing through the color film and incident, so that colors may be realized according to the lamination of the light absorption layer and the light reflection layer.
In the structures of fig. 13 (c), 13 (d) and 14 (d), the transmittance of the color represented by the color film of the light reflection layer 201 may be 1% or more, preferably 3% or more, and more preferably 5% or more in order to recognize the chromaticity change caused by the addition of the color film. The reason is that light transmitted in the range of visible light transmittance can be mixed with the color generated by the color film.
The color film may be provided by one sheet, or may be provided in a state in which two or more sheets of the same kind or heterogeneous sheets are stacked.
As the color film, a color film capable of expressing a desired color by mixing colors expressed from a laminated structure of the light reflection layer and the light absorption layer can be used. For example, a color film in which one or two or more pigments and dyes are dispersed in a matrix resin to express a color may be used. The color film may be formed by directly coating a composition for forming a color film on a position where the color film can be provided, coating a composition for forming a color film on a separate substrate, or manufacturing a color film by using a well-known molding method such as casting and extrusion, and then arranging or attaching the color film to a position where the color film can be provided. As the coating method, wet coating or dry coating can be used.
The pigment and dye that can be contained in the color film are pigments and dyes that can express a desired color from the final decorative member, the pigment and dye that can be contained in the color film may be selected from pigments and dyes known in the art, and one or two or more of pigments and dyes based on red, yellow, violet, blue, pink, etc. may be used. Specifically, dyes such as pyrenone (perinone-based) red dye, anthraquinone-based red dye, methane-based yellow dye, anthraquinone-based violet dye, phthalocyanine-based blue dye, thioindigo-based pink dye, and isoindigo-based pink dye may be used alone or in combination. Pigments such as carbon black, copper phthalocyanine (c.i. pigment blue 15:3), c.i. pigment red 112, pigment blue or isoindoline yellow may be used alone or in combination. As the dye or pigment, a commercially available dye or pigment may be used, and for example, a material manufactured by baba oracle (Ciba ORACET) or phototropic Paint company (Chokwang Paint ltd.) may be used. The pigment and the kind and color of the dye are merely exemplary, and various known dyes or pigments may be used, and thus more various colors may be expressed.
The matrix resin contained in the color film is a material of a transparent film, a primer layer, an adhesive layer, a coating layer, or the like, and a known material may be used as the matrix resin, and the material is not particularly limited. For example, various materials such as acrylic-based resins, polyethylene terephthalate-based resins, polyurethane-based resins, linear olefin-based resins, cycloolefin-based resins, epoxy-based resins, or triacetylcellulose-based resins may be selected, and copolymers or mixtures of these materials may also be used.
In the case where the color film is provided closer to the position of the observation ornamental member than the light reflection layer or the light absorption layer, for example, in the structures of (a) and (b) of fig. 13 and (a), (b) and (c) of fig. 14, the light transmittance of the color of the light reflection layer, the light absorption layer or the laminated structure of the light reflection layer and the light absorption layer may be 1% or more, preferably 3% or more, more preferably 5% or more. Accordingly, the color exhibited from the color film is mixed with the color exhibited from the light reflection layer, the light absorption layer, or the laminated structure of the light reflection layer and the light absorption layer, thereby obtaining a desired color.
The thickness of the color film is not particularly limited, and a person skilled in the art can select and set the thickness of the color film as long as the color film exhibits a desired color. For example, the thickness of the color film may be 500nm to 1mm.
The light absorbing layer may realize various colors according to refractive index (n), extinction coefficient (k), and thickness (t). Fig. 15 shows the wavelength-based reflectivity according to the thickness of the light absorbing layer, and fig. 16 shows the color according to the realization of the reflectivity. Specifically, fig. 15 is a simulation graph of reflectance of CuO deposition thickness based on CuO/Cu, and is data prepared when the thickness of CuO is changed to 10mm to 60mm under the same deposition conditions.
Fig. 17 is a graph showing simulation results in which different colors are observed according to viewing angles. Fig. 17 shows the simulation results of CuON/Al. In fig. 17, the thickness of the light absorbing layer is increased from 10nm to 100nm at 10nm, and the incident angle is adjusted from 0 ° to 60 ° at 15 ° intervals. As can be seen from the simulation results, in the structure according to the exemplary embodiment of the present invention, various colors can be realized by adjusting the thickness of the light absorbing layer and the inclination angle of the upper surface of the light absorbing layer. In addition, a color film is provided, so that more colors can be realized.
The material of the light reflecting layer is not particularly limited as long as it is a material capable of reflecting light, but the light reflectance may be determined according to the material, and when the light reflectance is 50% or more, for example, color is easily realized. The light reflectivity may be measured by ellipsometry.
The light absorbing layer may have a refractive index (n) of 0 to 8 at a wavelength of 400nm, the light absorbing layer may have a refractive index (n) of 0 to 7, the light absorbing layer may have a refractive index (n) of 0.01 to 3, and the light absorbing layer may have a refractive index (n) of 2 to 2.5. The refractive index (n) can be calculated by sin θ1/sin θ2 (θ1 is the angle of light incident from the surface of the light absorbing layer, θ2 is the refractive index of light inside the light absorbing layer).
The light absorbing layer may have a refractive index (n) of 0 to 8 at a wavelength of 380nm to 780nm, the light absorbing layer may have a refractive index (n) of 0 to 7, the light absorbing layer may have a refractive index (n) of 0.01 to 3, and the light absorbing layer may have a refractive index (n) of 2 to 2.5.
The light absorbing layer has an extinction coefficient (k) of greater than 0 and equal to or less than 4 at a wavelength of 400nm, the light absorbing layer may have an extinction coefficient (k) of 0.01 to 4, the light absorbing layer may have an extinction coefficient (k) of 0.01 to 3.5, the light absorbing layer may have an extinction coefficient (k) of 0.01 to 3, and the light absorbing layer may have an extinction coefficient (k) of 0.1 to 1. The extinction coefficient (k) is- λ/4pi I (dI/dx) (here, it is a value obtained by multiplying about a fraction (reduction fraction) (dI/I) of light intensity of, for example, 1m per unit length (dx) of a path in the light absorbing layer by λ/4pi, λ being the wavelength of light).
The light absorbing layer has an extinction coefficient (k) of greater than 0 and equal to or less than 4 at a wavelength of 380nm to 780nm, and the light absorbing layer may have an extinction coefficient (k) of 0.01 to 4, the light absorbing layer may have an extinction coefficient (k) of 0.01 to 3.5, the light absorbing layer may have an extinction coefficient (k) of 0.01 to 3, and the light absorbing layer may have an extinction coefficient (k) of 0.1 to 1.
The extinction coefficient (k) in the entire visible wavelength region of 400nm, preferably 380nm to 780nm is within the above range, so that the light absorbing layer can function in the visible light range.
For example, the spectrum of absorbed light is different between the case of using a method of absorbing light by adding a dye to a resin and the case of using a material having the above-described extinction coefficient. When light is absorbed by adding a dye to the resin, the absorption wavelength band is fixed, and only a phenomenon in which the absorption amount varies according to the variation in the coating thickness occurs. In addition, in order to obtain a desired light absorption amount, a minimum thickness variation of several micrometers or more is required to adjust the light absorption amount. On the other hand, even if the thickness is changed by several nanometers or several tens of nanometers in the material having the extinction coefficient, the wavelength band of the absorbed light is changed.
According to an exemplary embodiment, the light reflecting layer may be a metal layer, a metal oxide layer, a metal nitride layer, a metal oxynitride layer, or an inorganic layer. The light reflection layer may be formed of a single layer, and may also be formed of a plurality of layers including two or more layers.
As one example, the light reflective layer may be a single layer or multiple layers comprising: one or more materials selected from indium (In), titanium (Ti), tin (Sn), silicon (Si), germanium (Ge), aluminum (Al), copper (Cu), nickel (Ni), vanadium (V), tungsten (W), tantalum (Ta), molybdenum (Mo), neodymium (Nd), iron (Fe), chromium (Cr), cobalt (Co), gold (Au), and silver (Ag); or an oxide, nitride, oxynitride, carbon, or a carbon composite thereof. For example, the light reflection layer may contain an alloy of two or more kinds selected from the above materials, or an oxide, nitride, or oxynitride thereof. According to another example, the light reflection layer may be manufactured by using an ink containing carbon or a carbon composite, thereby realizing a reflection layer having high resistance. Carbon or carbon composites include carbon black, carbon Nanotubes (CNT), and the like. The ink containing carbon or a carbon composite may contain the foregoing material or an oxide, nitride, or oxynitride thereof, for example, an oxide containing one or two or more materials selected from indium (In), titanium (Ti), tin (Sn), silicon (Si), germanium (Ge), aluminum (Al), copper (Cu), nickel (Ni), vanadium (V), tungsten (W), tantalum (Ta), molybdenum (Mo), neodymium (Nd), iron (Fe), chromium (Cr), cobalt (Co), gold (Au), and silver (Ag). The curing process may be additionally performed after printing the ink containing carbon or carbon composite.
When the light reflection layer includes two or more materials, the light reflection layer may be formed of the two or more materials by using one process such as a deposition method or a printing method, but the light reflection layer may be formed by using a method of forming a layer first of one or more materials and then forming a layer on the formed layer of one or more additional materials. For example, the light reflecting layer may be formed by depositing indium or tin, printing an ink containing carbon, and then curing the ink to form a layer. The ink may further contain oxides such as, for example, titanium oxide and silicon oxide.
According to an exemplary embodiment, the light absorbing layer may also be a single layer, and may also be a multilayer including two or more layers.
The light absorbing layer may be formed of a material having an extinction coefficient (k) at 400nm, preferably 380nm to 780nm, that is, a material having an extinction coefficient of greater than 0 and equal to or less than 4, preferably 0.01 to 4.
For example, the light absorbing layer may contain one or two or more selected from the group consisting of oxides, nitrides, oxynitrides, and carbides of metals, metalloids, metals, or semi-metals. The oxide, nitride, oxynitride or carbide of the metal or metalloid may be formed by deposition conditions set by those skilled in the art, and the like. The light absorbing layer may contain the same metal, metalloid, alloy of two or more metals, or oxynitride as the light reflecting layer.
For example, the light absorbing layer may be a single layer or multiple layers comprising: one or more materials selected from indium (In), titanium (Ti), tin (Sn), silicon (Si), germanium (Ge), aluminum (Al), copper (Cu), nickel (Ni), vanadium (V), tungsten (W), tantalum (Ta), molybdenum (Mo), neodymium (Nd), iron (Fe), chromium (Cr), cobalt (Co), gold (Au), and silver (Ag); or an oxide, nitride or oxynitride thereof. Specifically, the light absorbing layer contains one or two or more selected from copper oxide, copper nitride, copper oxynitride, aluminum oxide, aluminum nitride, aluminum oxynitride, and molybdenum oxynitride.
According to one example, the light absorbing layer comprises silicon (Si) or germanium (Ge).
The light absorbing layer formed of silicon (Si) or germanium (Ge) has a refractive index (n) of 0 to 8 at 400nm, and may have a refractive index (n) of 0 to 7, and has an extinction coefficient (k) of greater than 0 and equal to or less than 4, preferably 0.01 to 4, 0.01 to 3, or 0.01 to 1.
According to another example, the light absorbing layer contains one or two or more selected from copper oxide, copper nitride, copper oxynitride, aluminum oxide, aluminum nitride, aluminum oxynitride, and molybdenum titanium oxynitride. In this case, the light absorbing layer has a refractive index (n) of 1 to 3, for example, 2 to 2.5 at 400nm, and has an extinction coefficient (k) of greater than 0 and equal to or less than 4, preferably 0.01 to 2.5, preferably 0.2 to 2.5, more preferably 0.2 to 0.6.
According to one example, the light absorbing layer is AlO x N y (x＞0，y＞0)。
According to another example, the light absorbing layer may be AlO x N y (0.ltoreq.x.ltoreq.1.5, 0.ltoreq.and.ltoreq.1).
According to another example, the light absorbing layer is AlO x N y (x > 0, y > 0), and the number of each atom satisfies the following formula with respect to 100% of the total number of atoms.
According to another example, the light absorbing layer may be formed of a material having an extinction coefficient (k) at 400nm, preferably 380nm to 780nm, for example, the light absorbing layer/light reflecting layer may be formed of a material such as CuO/Cu, cuON/Al, alON/Al, alN/Al/AlON/Cu, and AlN/Cu.
According to an exemplary embodiment, the thickness of the light reflecting layer may be determined according to a desired color in the final structure, and the thickness of the light reflecting layer may be, for example, 1nm or more, preferably 25nm or more, for example, 50nm or more, preferably 70nm or more.
According to an exemplary embodiment, the thickness of the light absorbing layer may be 5nm to 500nm, for example 30nm to 500nm.
According to an exemplary embodiment, the difference in thickness of the light absorbing layer based on each region is 2nm to 200nm, and may be determined according to a desired difference in color.
According to an exemplary embodiment, the decoration member may further include a transparent substrate disposed on a lower surface of the light reflection layer or an upper surface of the light absorption layer. The surface characteristics, such as the inclination, of the upper surface of the substrate may be the same as those of the upper surfaces of the light reflection layer and the light absorption layer. The light reflection layer and the light absorption layer are formed by a deposition method such that the substrate, the light reflection layer, and the light absorption layer may include inclined surfaces having the same angle. For example, the above-described structure may be achieved by forming an inclined plane or a three-dimensional structure on the upper surface of the substrate, and sequentially depositing a light reflection layer and a light absorption layer on the inclined plane or the three-dimensional structure, or sequentially depositing a light absorption layer and a light reflection layer on the inclined plane or the three-dimensional structure.
According to one example, the inclined surface or the three-dimensional structure may be formed on the surface of the substrate by forming a pattern in an ultraviolet curable resin and curing the pattern by using ultraviolet rays, or by a laser processing method. According to an exemplary embodiment, the decoration member may further include an adhesive layer as needed.
The material of the substrate is not particularly limited, and when an inclined surface or a three-dimensional structure is formed by the foregoing method, an ultraviolet curable resin known in the art may be used.
A protective layer may be additionally provided on the light absorbing layer.
According to one example, an adhesive layer may be additionally provided on a surface of the substrate opposite to the surface on which the light absorbing layer or the light reflecting layer is provided. The adhesive layer may be an optically clear adhesive (OCA: optically Clear Adhesive) layer. A release liner for protection may be additionally provided on the adhesive layer if necessary.
In this specification, as an example of a method of forming the light reflection layer and the light absorption layer, deposition such as sputtering method has been mentioned, but as long as the decorative member has the structure and characteristics according to the exemplary embodiments described in this specification, various methods of manufacturing a thin film may be applied. For example, a vapor deposition method, a Chemical Vapor Deposition (CVD) method, a wet coating method, or the like can be used.
In an exemplary embodiment of the present application, the cosmetic container may be a cosmetic compact nameplate, but is not limited thereto.
[ mode for carrying out the application ]
Hereinafter, the present application will be described in more detail by way of examples. These examples are provided only for the purpose of illustrating the application and are not intended to limit the scope of the application.
< example >
< example 1>
A flat plastic molded substrate (SAN resin) without a bend (specific pattern) was prepared. An aluminum oxynitride light absorbing layer having a thickness of 40nm was formed on a plastic molded substrate by using reactive sputter deposition under vacuum conditions at a process pressure of 3 mTorr. At a base pressure of 3X 10 -6 The deposition process was performed under vacuum conditions of Torr and a process pressure of 3mTorr, ar gas was adjusted to 100sccm, and N 2 The reactive gas partial pressure section (partial pressure section) was 10%. An Al layer having a thickness of 100nm was formed as a light reflection layer on the light absorption layer by using a non-reactive deposition process (100% Ar).
< example 2>
Example 2 was conducted in the same manner as example 1 except that in example 1, the aluminum oxynitride light-absorbing layer was formed to have a thickness of 60 nm.
< example 3>
Example 3 was performed in the same manner as example 2, except that the plastic molding substrate (SAN resin) having a bend (specific pattern) was used instead of the flat plastic molding substrate having no bend (specific pattern) in example 2.
< example 4>
Example 4 was performed in the same manner as example 1, except that a plastic molding substrate (SAN resin) having a bend (specific pattern) was used instead of using a flat plastic molding substrate having no bend (specific pattern) in example 1.
A decorative member of a cosmetic container according to an exemplary embodiment of the present invention is shown in fig. 18 and 19. More specifically, fig. 18 shows a decorative member of a cosmetic container including a flat plastic molded substrate having no curvature (specific pattern), and fig. 19 shows a decorative member of a cosmetic container including a plastic molded substrate having curvature (specific pattern).
As described above, the decorative member of the cosmetic container according to the exemplary embodiment of the present invention may include a color expression layer on a plastic molding or a glass substrate for the cosmetic container, so that various color variations may be provided and a cosmetic container having excellent aesthetic value may be manufactured at low cost.

Claims (16)

1. A decorative member of a cosmetic container, the decorative member comprising:
a color expression layer including a light reflection layer and a light absorption layer disposed on the light reflection layer; and
a substrate of a cosmetic container, the substrate being disposed on one surface of the color expression layer,
Wherein the base plate of the cosmetic container comprises a plastic molding for a cosmetic container,
wherein the plastic molding comprises a styrene-acrylonitrile copolymer SAN,
wherein the light absorbing layer comprises aluminum oxynitride,
wherein the upper surface of the light absorbing layer comprises: a pattern having protruding portions or recessed portions formed in a tapered shape; a pattern having a protrusion whose highest point is formed as a line or a recess whose lowest point is formed as a line; or a pattern of protrusions or recesses with a tapered upper surface being cut,
wherein the pattern has two or less identical forms during rotation of the pattern by 360 ° based on the apex of the taper when the pattern having the protruding portion or the recessed portion formed in the taper is viewed from the upper surface.
2. The decorative member according to claim 1, wherein the color expression layer further comprises a color film provided on a surface of the light reflection layer opposite to a surface facing the light absorption layer, between the light reflection layer and the light absorption layer, or on a surface of the light absorption layer opposite to a surface facing the light reflection layer.
3. The decorative member according to claim 1, wherein the color expression layer further comprises a transparent substrate provided on a surface of the light reflection layer opposite to a surface facing the light absorption layer or on a surface of the light absorption layer opposite to a surface facing the light reflection layer.
4. The decorative member of claim 1, wherein the light-absorbing layer comprises two or more points of different thickness.
5. The decorative member according to claim 1, wherein the light-absorbing layer includes one or more regions, an upper surface of each of the one or more regions has an inclined surface inclined at an angle of more than 0 ° and equal to or less than 90 °, and the light-absorbing layer includes one or more regions having a thickness different from that of any one of the regions having the inclined surface.
6. The decorative member according to claim 1, wherein the light absorbing layer has dichroism of Δe x ab > 1.
7. The decorative member according to claim 1, wherein the light absorbing layer has a refractive index of 0 to 8 at 400 nm.
8. The decorative member according to claim 1, wherein the light-absorbing layer has an extinction coefficient at 400nm of greater than 0 and equal to or less than 4.
9. A decorative member of a cosmetic container, the decorative member comprising:
a color expression layer including a light reflection layer and a light absorption layer disposed on the light reflection layer; and
a substrate of a cosmetic container, the substrate being disposed on one surface of the color expression layer,
wherein the base plate of the cosmetic container comprises a plastic molding for a cosmetic container,
wherein the plastic molding comprises a styrene-acrylonitrile copolymer SAN,
wherein the light absorbing layer comprises aluminum oxynitride,
wherein the upper surface of the light absorbing layer comprises: a pattern having protruding portions or recessed portions formed in a tapered shape; a pattern having a protrusion whose highest point is formed as a line or a recess whose lowest point is formed as a line; or a pattern of protrusions or recesses with a tapered upper surface being cut,
wherein, when the pattern having the protrusion with the highest point formed as a line or the recess with the lowest point formed as a line is observed from the upper surface, the pattern has only one identical form when the pattern is rotated by 360 ° based on the center of gravity.
10. The decorative member according to claim 9, wherein the color expression layer further comprises a color film provided on a surface of the light reflection layer opposite to a surface facing the light absorption layer, between the light reflection layer and the light absorption layer, or on a surface of the light absorption layer opposite to a surface facing the light reflection layer.
11. The decorative member according to claim 9, wherein the color expression layer further comprises a transparent substrate provided on a surface of the light reflection layer opposite to a surface facing the light absorption layer or on a surface of the light absorption layer opposite to a surface facing the light reflection layer.
12. The decorative member of claim 9, wherein the light-absorbing layer comprises two or more points of different thickness.
13. The decorative member according to claim 9, wherein the light-absorbing layer includes one or more regions, an upper surface of each of the one or more regions has an inclined surface inclined at an angle of more than 0 ° and equal to or less than 90 °, and the light-absorbing layer includes one or more regions having a thickness different from that of any one of the regions having the inclined surface.
14. The decorative member according to claim 9, wherein the light absorbing layer has dichroism of Δe x ab > 1.
15. The decorative member of claim 9, wherein the light absorbing layer has a refractive index of 0 to 8 at 400 nm.
16. The decorative member according to claim 9, wherein the light-absorbing layer has an extinction coefficient at 400nm of greater than 0 and equal to or less than 4.
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